December weather forecast and climate
Brown, CA

Weather in December

The first month of the winter, December, is still a cool month in Brown, California, with average temperature ranging between max 51.1°F (10.6°C) and min 35.6°F (2°C).

Temperature

December is the coldest month, with an average high-temperature of 51.1°F (10.6°C) and an average low-temperature of 35.6°F (2°C).

Humidity

In December, the average relative humidity is 47%.

Rainfall

December is the month with the most rainfall. Rain falls for 4.6 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

March through October and December are months without snowfall in Brown.

Daylight

December has the shortest days of the year in Brown, with an average of 9.8h of daylight.

Sunshine

Months with the least sunshine are January and December, with an average of 7.1h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Brown?

December is the coldest month in Brown, with an average high-temperature of 51.1°F (10.6°C) and an average low-temperature of 35.6°F (2°C).

What is the temperature in December in Brown?

In December, the average high-temperature is 51.1°F (10.6°C), and the average low-temperature is 35.6°F (2°C).

What is the average humidity in December in Brown?

The average relative humidity in December in Brown, California, is 47%.

How many days does it rain in December in Brown?

In Brown, California, in December, during 4.6 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the wettest month in Brown?

December is the month with the most rainfall in Brown, California. Rain falls for 4.6 days and accumulates 0.87" (22mm) of precipitation.

Does it snow in Brown in December?

In December, it doesn't snow. November is the latest month when it typically snows.

When it does not snow in Brown?

March through October and December are months without snowfall in Brown.

What is the month with the shortest days in Brown?

With an average of 9.8h of daylight, December has the shortest days of the year in Brown, California.

How many hours of daylight does Brown have in December?

In Brown, California, the average length of the day in December is 9.8h.

What is the month with the least sunshine in Brown?

January and December, with an average of 7.1h of sunshine, are months with the least sunshine in Brown.

How long on average sun shines in December in Brown?

In December, the average sunshine is 7.1h.

What is the month with the lowest UV index in Brown?

December is the month with the lowest UV index in Brown, with an average maximum UV index of 2.

What is the UV index intensity in December in Brown?

In Brown, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.

Average temperature in December
Brown, CA

Average temperature in December - Brown, CA
  • Average high temperature in December: 51.1°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (51.1°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).

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Average pressure in December
Brown, CA

Average pressure in December - Brown, CA
  • Average pressure in December: 30.1"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in December
Brown, CA

Average wind speed in December - Brown, CA
  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are May and June (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in December
Brown, CA

Average humidity in December - Brown, CA
  • Average humidity in December: 47%

The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is August (20%).

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Average rainfall in December
Brown, CA

Average rainfall in December - Brown, CA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Brown, CA

Average rainfall days in December - Brown, CA
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall in December
Brown, CA

Average snowfall in December - Brown, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is November (0.87").
Months with the least snowfall are March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in December
Brown, CA

Average snowfall days in December - Brown, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.5 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Brown, CA

Average daylight in December / Average sunshine in December - Brown, CA
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 7.1h

Months with the most sunshine are June and July (Average sunshine: 12.2h).
Months with the least sunshine are January and December (Average sunshine: 7.1).

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Average sunshine days in December
Brown, CA

Average sunshine days in December - Brown, CA
  • Average sunshine days in December: 25.2 days

The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in December
Brown, CA

Average UV index in December - Brown, CA
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Brown, CA

Average cloud cover in December - Brown, CA
  • Average cloud cover in December: 17

Months with the most cloud cover are January and March (Cloud cover 18).
Months with the least cloud cover are August and September (Cloud cover 4).

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Average visibility in December
Brown, CA

Average visibility in December - Brown, CA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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